Package org.drools.lang.descr

Examples of org.drools.lang.descr.RuleDescr

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        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );

        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );

        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FieldBindingDescr fieldBinding = (FieldBindingDescr) pattern.getConstraint().getDescrs().get( 0 );
        assertEquals( "$likes",
                      fieldBinding.getIdentifier() );

        final NotDescr not = (NotDescr) rule.getLhs().getDescrs().get( 1 );
        pattern = (PatternDescr) not.getDescrs().get( 0 );

        final FieldConstraintDescr fld = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        final VariableRestrictionDescr boundVariable = (VariableRestrictionDescr) fld.getRestrictions().get( 0 );
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        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );

        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        assertEquals( 1,
                      pack.getImports().size() );
        assertEquals( 2,
                      pack.getGlobals().size() );
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        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );
    }

    public void testAttributes() throws Exception {
        final RuleDescr rule = parseResource( "rule_attributes.drl" ).rule();
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      (String) rule.getConsequence() );

        final List attrs = rule.getAttributes();
        assertEquals( 6,
                      attrs.size() );

        AttributeDescr at = (AttributeDescr) attrs.get( 0 );
        assertEquals( "salience",
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        assertFalse( this.parser.hasErrors() );
    }

    public void testAttributes_alternateSyntax() throws Exception {
        final RuleDescr rule = parseResource( "rule_attributes_alt.drl" ).rule();
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      (String) rule.getConsequence() );

        final List attrs = rule.getAttributes();
        assertEquals( 6,
                      attrs.size() );

        AttributeDescr at = (AttributeDescr) attrs.get( 0 );
        assertEquals( "salience",
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        assertFalse( this.parser.hasErrors() );
    }

    public void testEnumeration() throws Exception {
        final RuleDescr rule = parseResource( "enumeration.drl" ).rule();
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
        final PatternDescr col = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Foo",
                      col.getObjectType() );
        assertEquals( 1,
                      col.getConstraint().getDescrs().size() );
        final FieldConstraintDescr fld = (FieldConstraintDescr) col.getConstraint().getDescrs().get( 0 );
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    public void testSoundsLike() throws Exception {
        parseResource( "soundslike_operator.drl" ).compilation_unit();
        assertFalse( this.parser.getErrorMessages().toString(),
                     this.parser.hasErrors() );

        RuleDescr rule = (RuleDescr) this.parser.getPackageDescr().getRules().get( 0 );
        PatternDescr pat = (PatternDescr) rule.getLhs().getDescrs().get( 0 );

        pat.getConstraint();
    }
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                      pkg.getRules().size() );

        assertEquals( 2,
                      pkg.getImports().size() );

        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "bar",
                      rule.getName() );
        at = (AttributeDescr) rule.getAttributes().get( 0 );
        assertEquals( "agenda-group",
                      at.getName() );
        assertEquals( "x",
                      at.getValue() );
        at = (AttributeDescr) rule.getAttributes().get( 1 );
        assertEquals( "dialect",
                      at.getName() );
        assertEquals( "java",
                      at.getValue() );

        rule = (RuleDescr) pkg.getRules().get( 1 );
        assertEquals( "baz",
                      rule.getName() );
        at = (AttributeDescr) rule.getAttributes().get( 0 );
        assertEquals( "dialect",
                      at.getName() );
        assertEquals( "mvel",
                      at.getValue() );
        at = (AttributeDescr) rule.getAttributes().get( 1 );
        assertEquals( "agenda-group",
                      at.getName() );
        assertEquals( "x",
                      at.getValue() );
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        assertTrue( ((String) this.parser.getErrorMessages().get( 0 )).indexOf( "Trailing semi-colon not allowed" ) >= 0 );
    }

    public void testEndPosition() throws Exception {
        parseResource( "test_EndPosition.drl" ).compilation_unit();
        final RuleDescr rule = (RuleDescr) this.parser.getPackageDescr().getRules().get( 0 );
        final PatternDescr col = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( 6,
                      col.getLine() );

        assertEquals( 8,
                      col.getEndLine() );
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        parseResource( "qualified_classname.drl" ).compilation_unit();

        assertFalse( this.parser.hasErrors() );

        final PackageDescr pkg = this.parser.getPackageDescr();
        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );

        final PatternDescr p = (PatternDescr) rule.getLhs().getDescrs().get( 0 );

        assertEquals( "com.cheeseco.Cheese",
                      p.getObjectType() );
    }
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                     parser.hasErrors() );

        final PackageDescr pack = parser.getPackageDescr();
        assertEquals( 1,
                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr outPattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accum = (AccumulateDescr) outPattern.getSource();
        assertEqualsIgnoreWhitespace( "int x = 0 ;",
                                      accum.getInitCode() );
        assertEqualsIgnoreWhitespace( "x++;",
                                      accum.getActionCode() );
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Related Classes of org.drools.lang.descr.RuleDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilder
  • org.drools.compiler.PackageBuilderConfigurationTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.QueryBuilderTest
  • org.drools.compiler.RuleErrorTest
  • org.drools.compiler.xml.rules.AndHandler
  • org.drools.compiler.xml.rules.OrHandler
  • org.drools.compiler.xml.rules.RuleHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
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